Which fruit is affected by Diplodia stem-end rot? (RJ Supervisor 2012)

✅Explanation:
Diplodia stem-end rot, a fungal disease, primarily affects mango fruits, causing dark lesions and decay at the stem end, leading to significant postharvest losses.

🔑Key Points:
Symptoms
-Epicarp darkens around the pedicel base.
-Circular, black patch under humid conditions.
-Soft rot due to pectinolytic and cellulolytic enzymes.
-Fruit portions turn black and soften.
-Rapid loss of ascorbic acid and non-reducing sugars.
Mode of Spread and Survival
-Fungus persists in infected plant parts, serving as inoculum source.
Epidemiology
-Relative Humidity (RH): 80%
-Maximum and minimum temperatures: 31.5°C and 25.9°C.